Class 7 Science e-Book's MCQs - Complete
Distillation App MCQ & e-Book Download - 154
Apps:
MCQ:
Desalination plant is very expensive because it
- uses a large amount of fuel
- is built on mountains and high lands
- uses electric machinery for desalination
- is built with expensive material
a
Class 7 Science App & e-Book Tests PDF Download
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7th Grade Science MCQs eBook Download
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Class 7 Science Quiz with Answers
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